MBA aspirants perceive that raising voice with high decibel will be a sign of leadership. Well, it is highly mistaken. It looks that one is shouting and not discussing the topic. This also leads to bad mannerism and chances are high that one is dropped in GD and is rejected.
GD is highly crucial in nature because the fact is that you are being tested on your soft skills of communication and if one is lacking in this area, one is likely to be rejected.
In GD you must ensure that you are polite and speak at your turn and if you need to interject then take permission of group members and proceed with your statement.
Your polite gestures will be taken positively and you will be listened by group attentively that itself will ensure your leadership quality and you might lead the group.
You need to read variety of topics to prepare for GD and get success!